AZ23B43-G3-18

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The AZ23B43-G3-18 is an array of Zeners, each Zeners has its own chip-sized case for surface mounting using automated assembly processes. It is composed of three independent Zeners in one package. The breakdown voltages of the Zeners range from 3.3 V to 32 V. It has a high voltage transient capability of up to 36 V, making it well suited for a wide range of applications.

Application Field

The AZ23B43-G3-18 is a popular choice in electronic and electrical applications, such as automotive, consumer electronics, telecommunications, and power supplies. In particular, it is often used to protect sensitive electronic components from electrical transients and surges in voltage, and may be used to buffer and divide voltages. It is also commonly used to provide overvoltage protection, reverse polarity protection, transient suppression, ESD protection, and frequency stabilization.

Working Principle

The AZ23B43-G3-18 works on the principle of a Zener diode. When forward biased, the device operates just like an ordinary diode and allows current to flow in one direction throughout the circuit. However, when reverse-biased, the applied voltage exceeds a certain level known as the breakdown voltage, and a large current begins to flow through the diode instead of the usual small leakage current. This breakdown voltage is determined by the Zener voltage, which is unique to a specific Zener diode.

At the breakdown voltage, the Zener diode acts like a closed switch, allowing current to flow in both directions. This bidirectional flow helps to buffer and divide voltages, as well as provide overvoltage protection. In addition, the AZ23B43-G3-18 has a reverse polarity protection feature, as the diodes will block current in the reverse direction. Finally, it has an ESD, or electrostatic discharge, protection capability, which helps protect sensitive electronics from sudden power surges.

The AZ23B43-G3-18 is a reliable and cost-effective array of Zeners, making it a popular choice in many applications. With its high voltage transient capability and bidirectional flow of current, it can provide robust protection against electrical transients, surges, and ESD, helping to keep sensitive electronics safe.

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